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Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2012-07-28","val":0,"accn":"0001193125-12-382719","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-06","frame":"CY2012Q2I"},{"end":"2012-10-27","val":45000000,"accn":"0001193125-12-493589","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-06","frame":"CY2012Q3I"}]}},"LongTermDebt":{"label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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Excludes capital lease obligations.","units":{"USD":[{"end":"2013-08-03","val":12600000,"accn":"0001193125-13-365233","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-12","frame":"CY2013Q2I"},{"end":"2013-11-02","val":12500000,"accn":"0001193125-13-471209","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-12","frame":"CY2013Q3I"},{"end":"2014-02-01","val":12400000,"accn":"0001193125-14-148975","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-18","frame":"CY2013Q4I"},{"end":"2014-05-03","val":12300000,"accn":"0000891919-14-000028","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-06-12","frame":"CY2014Q1I"},{"end":"2015-01-31","val":12000000,"accn":"0000891919-15-000011","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-17","frame":"CY2014Q4I"}]}},"LongTermDebtCurrent":{"label":"Long-term Debt, Current Maturities","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. 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Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.","units":{"USD":[{"end":"2013-08-03","val":4900000,"accn":"0001193125-13-365233","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-12","frame":"CY2013Q2I"},{"end":"2013-11-02","val":4900000,"accn":"0001193125-13-471209","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-12","frame":"CY2013Q3I"},{"end":"2014-02-01","val":4300000,"accn":"0001193125-14-148975","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-18","frame":"CY2013Q4I"},{"end":"2014-05-03","val":4300000,"accn":"0000891919-14-000028","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-06-12","frame":"CY2014Q1I"}]}},"LongtermDebtWeightedAverageInterestRate":{"label":"Long-term Debt, Weighted Average Interest Rate, at Point in Time","description":"Weighted average interest rate of long-term debt outstanding calculated at point in 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receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority 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,"form":"10-Q","filed":"2015-12-09","frame":"CY2015Q3I"}]}},"StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest":{"label":"Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest","description":"Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent 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period as a result of employee stock purchase 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Issued During Period, Value, Restricted Stock Award, Forfeitures","description":"Value of stock related to Restricted Stock Awards forfeited during the period.","units":{"USD":[{"start":"2010-01-31","end":"2011-01-29","val":12000,"accn":"0001193125-12-160811","fy":2011,"fp":"FY","form":"10-K","filed":"2012-04-12","frame":"CY2010"},{"start":"2011-01-30","end":"2012-01-28","val":151000,"accn":"0001193125-12-160811","fy":2011,"fp":"FY","form":"10-K","filed":"2012-04-12"},{"start":"2011-01-30","end":"2012-01-28","val":151000,"accn":"0001193125-13-162972","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-19","frame":"CY2011"},{"start":"2012-01-29","end":"2013-02-02","val":249000,"accn":"0001193125-13-162972","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-19"},{"start":"2012-01-29","end":"2013-02-02","val":249000,"accn":"0001193125-14-148975","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-18","frame":"CY2012"},{"start":"2013-02-03","end":"2014-02-01","val":7000,"accn":"0001193125-14-148975","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-18"},{"start":"2013-02-03","end":"2014-02-01","val":7000,"accn":"0000891919-15-000011","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-17","frame":"CY2013"},{"start":"2014-02-02","end":"2015-01-31","val":27000,"accn":"0000891919-15-000011","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-17","frame":"CY2014"}]}},"StockIssuedDuringPeriodValueRestrictedStockAwardGross":{"label":"Stock 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Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.","units":{"shares":[{"start":"2011-01-30","end":"2012-01-28","val":50000,"accn":"0001193125-13-162972","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-19","frame":"CY2011"},{"start":"2012-01-29","end":"2013-02-02","val":474000,"accn":"0001193125-13-162972","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-19"},{"start":"2012-01-29","end":"2013-02-02","val":474000,"accn":"0001193125-14-148975","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-18","frame":"CY2012"},{"start":"2013-02-03","end":"2014-02-01","val":384000,"accn":"0001193125-14-148975","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-18"},{"start":"2013-02-03","end":"2014-02-01","val":384000,"accn":"0000891919-15-000011","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-17","frame":"CY2013"},{"start":"2014-02-02","end":"2015-01-31","val":0,"accn":"0000891919-15-000011","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-17","frame":"CY2014"}]}},"StockRepurchasedDuringPeriodValue":{"label":"Stock Repurchased During Period, Value","description":"Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. 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